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IPC Subclass
A23K

FEEDING-STUFFS SPECIALLY ADAPTED FOR ANIMALS; METHODS SPECIALLY ADAPTED FOR PRODUCTION THEREOF

Introduced: September 1968

Classification Context

Section:
HUMAN NECESSITIES
Class:
FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; PREPARATION, TREATMENT OR PRESERVATION THEREOF
Subclass:
FEEDING-STUFFS SPECIALLY ADAPTED FOR ANIMALS; METHODS SPECIALLY ADAPTED FOR PRODUCTION THEREOF

Description

Covers formulated animal feeds, pet foods, livestock supplements, and aquaculture feeds designed for specific nutritional or therapeutic purposes. Includes methods for manufacturing, processing, and preparing feed compositions tailored to particular animal species, production stages, or health requirements. The subclass encompasses feed additives (vitamins, minerals, probiotics), specialized formulations for poultry, ruminants, fish, and companion animals, as well as processing techniques such as pelleting, extrusion, and fermentation. Does not extend to general food preservation or human foodstuffs covered under A23B or A23C.

Filing statistics

IPC subclass A23K recorded 106,027 patent applications worldwide between 2013 and 2023. Annual filings declined from 7,644 in 2013 to 6,446 in 2023 (-16%), peaking at 14,604 applications in 2017. The most active applicants in class A23 are KVASENKOV OLEG IVANOVICH (6,158 applications), NESTLE (4,562 applications) and NESTEC (3,354 applications).

Source: EPO PATSTAT, worldwide filings

In class comparison

A23K ranks 2nd of 10 subclasses with filings in A23, with 106,027 applications between 2013 and 2023, 10.9% of the class. Annual filings declined 16% from 2013 to 2023, below the class as a whole (+18%).

Subclasses of class A23 by patent applications, 2013–2023
RankSubclassTitleApplicationsShare
1A23L, Foods, Foodstuffs or Non-Alcoholic Beverages, Not Otherwise Provided for; Preparation or Treatment ThereofFoods, Foodstuffs or Non-Alcoholic Beverages, Not Otherwise Provided for; Preparation or Treatment Thereof450,11046.2%
2A23KFeeding-Stuffs Specially Adapted for Animals; Methods Specially Adapted for Production Thereof106,02710.9%
3A23N, Machines or Apparatus for Treating Harvested Fruit, Vegetables, or Flower Bulbs in Bulk, Not Otherwise Provided for; Peeling Vegetables or Fruit in Bulk; Apparatus for Preparing Animal Feeding-StuffsMachines or Apparatus for Treating Harvested Fruit, Vegetables, or Flower Bulbs in Bulk, Not Otherwise Provided for; Peeling Vegetables or Fruit in Bulk; Apparatus for Preparing Animal Feeding-Stuffs99,45910.2%
4A23F, Coffee; Tea; Their Substitutes; Manufacture, Preparation, or Infusion ThereofCoffee; Tea; Their Substitutes; Manufacture, Preparation, or Infusion Thereof78,1258.0%
5A23B, Preservation of Foods, Foodstuffs or Non-Alcoholic Beverages; Chemical Ripening of Fruit or VegetablesPreservation of Foods, Foodstuffs or Non-Alcoholic Beverages; Chemical Ripening of Fruit or Vegetables56,0295.7%
6A23P, Shaping or Working of Foodstuffs, Not Fully Covered by a Single Other SubclassShaping or Working of Foodstuffs, Not Fully Covered by a Single Other Subclass55,8145.7%
7A23G, Cocoa; Cocoa Products, e.g. Chocolate; Substitutes for Cocoa or Cocoa Products; Confectionery; Chewing Gum; Ice-Cream; Preparation ThereofCocoa; Cocoa Products, e.g. Chocolate; Substitutes for Cocoa or Cocoa Products; Confectionery; Chewing Gum; Ice-Cream; Preparation Thereof46,7224.8%
8A23C, Dairy Products, e.g. Milk, Butter or Cheese; Milk or Cheese Substitutes; Preparation ThereofDairy Products, e.g. Milk, Butter or Cheese; Milk or Cheese Substitutes; Preparation Thereof43,0054.4%
9A23J, Protein Compositions for Foodstuffs; Working-Up Proteins for Foodstuffs; Phosphatide Compositions for FoodstuffsProtein Compositions for Foodstuffs; Working-Up Proteins for Foodstuffs; Phosphatide Compositions for Foodstuffs19,9782.1%
10A23D, Edible Oils or Fats, e.g. Margarines, Shortenings or Cooking OilsEdible Oils or Fats, e.g. Margarines, Shortenings or Cooking Oils19,2092.0%

Source: EPO PATSTAT, worldwide filings

Related Keywords

FODDERFOODSTUFFS for animalsPOTATO(ES) for feeding animalsROOT(S) for feeding animals

5 direct subcodes

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Top Applicants

Top 10 applicants by patent filingsfor class A23, 2013–2023, worldwide · Source: EPO PATSTAT

  1. KVASENKOV OLEG IVANOVICH RU 6,158
  2. NESTLE CH 4,562
  3. NESTEC CH 3,354
  4. JIANGNAN UNIVERSITY 2,699
  5. DSM IP ASSETS (DUTCH STATE MINES IP ASSETS) NL 2,320
  6. SUNTORY HOLDINGS JP 1,926
  7. CHINESE ACADEMY OF SCIENCES 1,804
  8. CJ CHEILJEDANG CORPORATION KR 1,653
  9. CARGILL US 1,588
  10. REPUBLIC OF KOREA (RURAL DEVELOPMENT ADMINISTRATION) KR 1,314